Special Offers
- Great for electronic projects and kits.
- Perfect use for home, office and industry electrical equipment and electrical appliances
- Size: 10mm
- Voltage: 1.8V ~ 2.2V for Red & Yellow, 3.0V ~ 3.4V for Blue, Green & White
- Current: 20 mA
- Luminous Intensity: 5000 MCD
- Colour: RED, BLUE, YELLOW, GREEN, WHITE
- Lens Color : Diffused
10Pcs Five Colors 10mm Round Bright Light LED Assortment Kit | ||||
Color | Size | Current(mA) | Lens Color | Quantity |
Red | 10mm | 20 | red | 2Pcs |
White | 10mm | 20 | white | 2Pcs |
Yellow | 10mm | 20 | yellow | 2Pcs |
Green | 10mm | 20 | green | 2Pcs |
Blue | 10mm | 20 | blue | 2Pcs |
Resources
Python library
Introduction
Description:
ATmega328 is commonly used in many projects and autonomous systems where a simple, low-powered, low-cost micro-controller is needed.
The Arduino Compatible Nano V3 development board is a microcontroller board based on the Arduino Nano
Specifications:
- Microcontroller Atmel ATmega328
- Operating Voltage (logic level): 5V
- Input Voltage (recommended): 7V ~ 12V
- Input Voltage (limits): 6V ~ 20 V
- Digital I/O Pins: 14 (of which 6 provide PWM output)
- Analog Input Pins: 8
- DC Current per I/O Pin: 40mA
- Flash Memory: 32KB (ATmega328) (of which 2 KB used by bootloader)
- SRAM: 2KB (ATmega328)
- EEPROM: 1KB (ATmega328)
- Clock Speed: 16MHz
1 x Arduino Compatible Improved Version Nano V3.0 with headers pre-soldered
1 x USB cable
Resources:
Getting started with Arduino products
This pre-built Edge Connector Breakout Board for the micro:bit gives access to all the important pins on the bottom edge of the micro:bit.
Looking to do more with your micro:bit? Unlock its potential with this pre-built version of our Edge Connector Breakout Board! This breakout board has been designed to offer an easy way to connect additional circuits and hardware to the pins on the edge of the micro:bit. It provides access to all of the micro:bit processor pins allowing a lot of extra functionality to be added. The datasheet (below) includes a helpful diagram explaining the function of every pin on the micro:bit.
This Edge Connector Breakout Board for the micro:bit gives access to all of the important pins on the bottom edge of the micro:bit. 21 pins are broken out in total; providing additional I/O lines, direct access to buttons A and B, the LED matrix outputs and the I2C bus. Please refer to the datasheet below for more details.
The micro:bit pins are broken out to a row of pin headers. These provide an easy way of connecting circuits using jumper wires. The SCL and SDA pins are separated at the edge of the board (solder pads) providing easy identification. The PCB includes a prototyping area with 3V, 0V and unconnected rows that can be soldered to. This allows the easy connection of switches, sensors and any pull-up or pull-down resistors etc. as required.
To use the breakout board the micro:bit should be inserted firmly into the connector as shown below:
Note:
- This product is supplied with straight double row PCB pin headers already soldered to the breakout board
Features:
- Features a dedicated pin strip for quick and easy prototyping
- Breaks out 21 pins from the edge of the micro:bit
- Dedicated prototyping area with 3V and 0V rows
- Labelled pins and clear, straightforward documentation
Contents:
- 1 x Edge Connector Breakout Board for the micro:bit, pre-built
Dimensions:
- Length: 60mm
- Width: 40mm
- Height: 11.8mm
Video available at https://youtu.be/bzm4zepbGAc
Requires:
- 1 x micro:bit
Resources:
you can turn off the LED and light from any point in time.
To use this feature, simply link your eWeLink application to Amazon Alexa. With a few steps you can tell Alexa or turn off lights and turn on all devices.
Remote ON/OFF
Scheduled/countdown timing
One-key sharing
Group/scene management
Specifications:
Terminal platform: Android , IOS
Connection: wifi
Control distance: Infinity (in 2G / 3G / 4G / WIFI network)
Standard: 86 type EU / 120 type US
Wireless power consumption: <0.3w
System: support IOS6.0 / Android2.3 and above
Input Voltage: AC90 ~ 250V, 50 / 60hz
Max. Current: 2A
Rated power: 400W
Wifi Frequency: 2.4GHz 802.11b / g / h
Power supply: zero fire power supply
Shell material: flame retardant ABS
Panel material: tempered glass
Color: White
Size:
120 type: 120mm x 78mm x 41mm
Package Includes:
1 x Touch Wifi Switch Module
Specifications:
Comprehensive error: 0.05% F.S
Rated output temperature drift: ≤ 0.15% F.S / 10 ℃
Output Sensitivity: 1.0 ± 0.1 mV / V
Zero drift: 0.05% F.S (1 minute)
Zero point temperature drift: 0.2% F.S / 10 ° C
Zero output: ± 0.1 mV / V
Input impedance: 1000 ± 50Ω
Output impedance: 1000 ± 50Ω
Overload capacity: 150% F.S
Recommended excitation voltage: 5-10V
Operating temperature range: -10 ~ 50 ℃
Application:
For high-precision small-scale weighing for micro-automatic testing equipment, micro-weighing equipment, pushing and pulling equipment, pull pressure test
Red: E
Black: E-
White: A-
Green: A
What's in the box?
1 x Weighing Sensor Load Cell
1 x HX711 Module
Resources:
Building a Raspberry Pi weight scale
Python Library
Building an Arduino weight scale
The MLX90615 is an Infra Red thermometer for non contact temperature measurements. Both the IR sensitive
thermopile detector chip and the signal conditioning chip are integrated in the same TO-46 can package.
Thanks to its low noise amplifier, 16-bit ADC and powerful DSP unit, a high accuracy and resolution of the
thermometer is achieved. The thermometer is factory calibrated with the digital SMBus compatible
Features
- Small size, low cost
- Easy to integrate
- Factory calibrated in wide temperature range: -40…85C for sensor temperature and -40…115C for object temperature
- High accuracy of 0.5C over wide temperature range (0... 50C for both TA and TO )
- High (medical) accuracy calibration
- Measurement resolution of 0.02C
- SMBus compatible digital interface
- Power saving mode
- Customizable PWM output for continuous reading
- Embedded emissivity compensation
- 3V supply voltage
Datasheets available at https://github.com/arduinolearning/Datasheets/blob/master/MLX90614.pdf
Description:
Using the analog I/O - module RevPi AIO your RevPi base module can be expanded by 4 analog inputs, 2 analog outputs and 2 RTD input channels. This expansion module is connected to your base module by the means of the overhead PiBridge plug. Inputs, RTD inputs and outputs are galvanically isolated to each other. Differential inputs eliminate ground loops.
Analog input range/options: +/- 10 V, 0 – 10 V, 0 – 5 V, +/- 5 V, 0 – 20 mA, 0 – 24 mA, 4 – 20 mA, +/- 25 mA
Analog outputs range/options: 0 – 5 V, 0 – 10 V, +/- 5 V, +/- 10 V, 0 – 5,5 V, 0 – 11 V, +/- 5,5 V, +/- 11 V, 4 – 20 mA, 0 – 20 mA, 0 – 24 mA
The 2 RTD inputs enable temperatures to be measured with high precision from -165°C to +600°C in steps of 0.5°C using common RTDs sensors like Pt100/Pt1000 probes. The probes can be connected directly to the module with 2, 3 or 4 cables.
Just like the digital IO modules, RevPi AIO is protected against disturbances according to EN61131-2 and can be operated between -40 and +50°C ambient temperature and up to 80% relative humidity. It is also protected against static discharges, burst and surge impulses in accordance with EN61131-2 requirements.
The required PiPridge Plug (Item No.: 100204) and a set of 14-pole PCB female connectors (Item No.: 200030) are already included in the scope of delivery of this expansion module.
Compatible base modules | RevPi Core 3 (Article No. 100257) RevPi Core (Article No. 100102) RevPi Connect (Article No. 100274) |
---|---|
No. of Inputs | 4 |
No. of Outputs | 2 |
No. of RTD channels | 2 |
Power supply | 24V |
IP code | IP20 |
Compliance
EN61131-2
Housing dimensions (H x W x D)
96 x 22.5 x 110.5 mm
Housing type
DIN rail housing (for DIN rail version EN 50022)
Housing material
Polycarbonate
Weight
approx. 115 g
IP Code
IP20
Power supply
12 - 24 V (-15%/+20%)
Current consumption
max. 200 mA at 24V (full load)
max. 400 mA at 12V (full load)
max. 500 mA during start up
Operating temperature
-30…+55 °C
Storage temperature
-40…+85 °C
Humidity (at 40 °C)
93 % (non-condensing)
Voltage measuring range
±10 V | ±5 V | 0…10 V | 0…5 V
Current measuring range
0…20 mA | 0…24 mA | 4…20 mA | ±25 mA
Temperature measuring range
-200…+850 °C
Voltage output range
±10 V | ±11 V | ±5 V | ±5.5 V | 0…10 V | 0…11 V |0…5 V | 0…5.5 V
Current output range
0…20 mA | 0…24 mA | 4…20 mA
Number of input channels
6
for voltage max 4
for current max 4
for RTD (Pt100/Pt1000) 2
Number of output channels
2
for voltage max 2
for current max 2
Galvanic isolation
Input to Input No
Input to Output Yes
Output to Output No
System bus to inputs/outputs Yes
Input type
Voltage/current - differential
RTD 2-, 3-, 4-wire
Output type
single ended, common ground, short-circuit proof
ADC type
24 bit ΔΣ
DAC type
16 bit
Input resolution in process image
Voltage 1 mV (16 bit)
Current 1 μA (16 bit)
Temperature 0.1 K (16 bit)
Output resolution in process image
Voltage 1 mV (16 bit)
Current 1 μA (16 bit)
Max. overall input error (at 25 °C ambient temperature)
Voltage (for all ranges) ±10 mV (±5 mV @ 0…5 V range)
Current (for all ranges) ±20 μA (±24 μA @ 0…24 μA range)
Temperature (for complete range) ±0.5 K
Max. overall input error (for -30…+55 °C ambient temperature)
Voltage (for all ranges) ±10 mV
Current (for all ranges) ±72 μA
Temperature (for complete range) ±1.5 K
Max. overall output error (at 25 °C ambient temperature)
Voltage (for all ranges) ±15 mV
Current (for all ranges) ±20 μA
Max. overall output error (for -30…+55 °C ambient temperature)
Voltage (for all ranges) ±15 mV
Current (for all ranges) ±72 μA
Input conversion time (data rate in process image)
8…1000 ms (adjustable)
Output data rate
1 PiBridge cycle
Output slew rate
Adjustable digital slew rate control - 1 [email protected] kHz up to 128 LSB@258 kHz
Input impedance
Voltage >900 kΩ
Current <250 Ω
Output impedance
Voltage <16 Ω
Max. capacitive load 5 nF @ 1 kΩ
Max. load resistance for current output
600 Ω
Min. load resistance for voltage output
1 kΩ
Further features
All inputs and outputs are linear scalable
Overtemperature monitoring
Overcurrent monitoring
Range monitoring
Optical indicator
3 status LEDs (bi-color)
Technical data also available in pdf format: https://revolution.kunbus.de/wp-content/uploads/manuell/datenblatt/Datasheet_RevPi_AIO.pdf
Tutorials available at https://revolution.kunbus.com/tutorials/
The case has slots to access the USB port, buttons and JST connectors. It’s especially designed to allow the on-board LED matrix to be viewed when lighted up. It’s aimed to create a more interesting programming environment for children, getting rid of the past boring programming life.
Features:
Protect your micro:bit
Specifications:
- Product Size: 56mm x 45mm
- Thickness: 12mm
Note:
Micro:bit control board is not included
What's in the box?
1 x Micro:bit Silicone Protective case for V1
Features
- 13.3inch IPS screen,1920x1080 high resolution
- Toughened glass capacitive touch panel, 6H hardness
- Supports popular mini PCs such as Raspberry Pi, BB Black, as well as general desktop computers
- When works with Raspberry Pi, supports Raspbian, Ubuntu, WIN10 IOT, single touch, and driver free
- When work as a computer monitor, supports Windows 10/8.1/8/7, ten-points touch, and driver free
- Multi languages OSD menu, for power management, brightness/contrast adjustment, etc.
- 3.5mm audio jack, supports HDMI audio output
- Embedded ferrite Hi-Fi speaker
- Also supports VGA input (specific cable is required and should be purchased separately)
- 75x75mm spacing mounting holes (M4 screw hole) for general wall mount
- Comes with 75° tilt angle stand
External Dimension
What's in the box?
1 x 13.3inch Capacitive Touch HDMI LCD
Resources
Wiki : www.waveshare.com/wiki/13.3inch_HDMI_LCD_(H)_(with_case)
Know how much rain you got overnight with this digital wireless rain station
Features
- Outdoor wireless sensor (range up to 100 meter)
- Detail display of rainfall data in 1hour, 24hour, week, month
and total since last reset(user selectable in inch or mm) - Indoor and outdoor temperature (°F to °C)
- Time and date with manual setting option
- 12 /24 hour time mode
- Calendar
- Time zone setting
- Time alarm
- Free standing
Specifications
- Rainfall display range: 0 to 19,999mm
- Outdoor temperature range: -40 ~ 65°C (-40°F to 149°F)
- Indoor temperature range: -9.9 ~ 60°C (-15.8°F to 176°F)
- Temperature accuracy: ±1.0°C5) Power requirements:
a) Receiver: 2 x "AA" alkaline batteries (not included)
b) Rain gauge: 2 x "AAA" alkaline batteries (not included) - Transmission range: up to 100meters( 330feet)
- Transmission frequency: 433MHz
What's in the box?
1 x Rain Gauge
1 x Receiver
1 x User Manual
2 x Screws
You can also use these sensor boards with Home Assistant!
- 7x AC Current Ports.
- 1x AC Voltage Ports.(ZMPT101B voltage sensor included)
- Provides Irms, Vrms, RealP, ApparentP, ReactiveP, PFactor, Frequency, EstimatedP.
- View/record data using Linux / Python / Emoncms / Grafana / MQTT and more.
- Configurable from serial port.
- Open Source Arduino Firmware.
- Stackable with RPICT8 Slave.
What's in the box?
1 x RPICT7V1 Unit.
1 x ZMPT101B voltage sensor(Included as from 16/10/2023)
4 x Mounting Stand off with screws.
As from 23/10/2023 we include a ZMPT voltage sensor
The listing does not include the current sensors and Raspberry pi.
Recommended Current sensors
- SCT-013-000 (100A)
Technical Specifications
Microcontroler | Atmel Atmega328p |
MCU Frequency | 16Mhz |
Operating Voltage | 5V |
Waveform Sampling | 4400sps |
Fastest Data Polling | 1400ms (all 7 channels) |
Vertical Resolution | 12 bits (4096 steps) |
Communication | UART Serial Port |
Firmware | Arduino (open source) |
Dimensions | 56x65mm |
Programming port | 6 pin ISP |
Compatible OS | Any supporting GPIO serial port access |
Compatible Raspberrypi | All of Family 1,2,3,4 and Model A, B |
Compatible CT | Current output type |
AC Current Range | 100A |
AC Voltage Range | 240V |
Smallest Readable Current | Approx 50mA to 150mA |
Scope of Use
This development board/kit is intended for use for ENGINEERING DEVELOPMENT, DEMONSTRATION, OR EVALUATION PURPOSES ONLY and is not considered by LeChacal.com to be a finished end-product fit for general consumer use. Persons handling the product(s) must have electronics training and observe good engineering practice standards. As such, the goods being provided are not intended to be complete in terms of required design-, marketing-, and/or manufacturing-related protective considerations, including product safety and environmental measures typically found in end products that incorporate such semiconductor components or circuit boards. This
evaluation board/kit does not fall within the scope of the European Union directives regarding electromagnetic compatibility, restricted substances (RoHS), recycling (WEEE), FCC, CE or UL, and therefore may not meet the technical requirements of these directives or other related directives.
Please note: Raspberry Pi and sensors are NOT INCLUDED
You can also use these sensor boards with Home Assistant!
Raspberrypi AC current hat with temperature
- 3x AC Current Ports.
- 1x Temperature Ports.
- Provides Irms, EstimatedPower, Temperature.
- View/record data using Linux / Python / Emoncms / Grafana / MQTT and more.
- Configurable from serial port.
- Open Source Arduino Firmware.
- 1 RPICT3T1 Unit.
- 2 Mounting Stand off with screws.
Recommended SensorsTemperature:Current Sensor:
- SCT-013-000 (0A to 30A)
Technical Specifications
Microcontroler | Atmel Attiny84 |
MCU Frequency | 8Mhz |
Operating Voltage | 3.3V |
Waveform Sampling | 2500sps |
Fastest Data Polling | 600ms |
Vertical Resolution | 10 bits (1024 steps) |
Communication | UART Serial Port |
Firmware | Arduino (open source) |
Dimensions | 56x35mm |
Programming port | 6 pin ISP |
Compatible OS | Any supporting GPIO serial port access |
Compatible Raspberrypi | All of Family 1,2,3,4 and Model A, B |
Compatible CT | Current output type |
AC Current Range | 30A |
Max Temperature probes | 8 |
Smallest Readable Current | Approx 50mA to 150mA |
Scope of Use
This development board/kit is intended for use for ENGINEERING DEVELOPMENT, DEMONSTRATION, OR EVALUATION PURPOSES ONLY and is not considered by LeChacal.com to be a finished end-product fit for general consumer use. Persons handling the product(s) must have electronics training and observe good engineering practice standards. As such, the goods being provided are not intended to be complete in terms of required design-, marketing-, and/or manufacturing-related protective considerations, including product safety and environmental measures typically found in end products that incorporate such semiconductor components or circuit boards. This
evaluation board/kit does not fall within the scope of the European Union directives regarding electromagnetic compatibility, restricted substances (RoHS), recycling (WEEE), FCC, CE or UL, and therefore may not meet the technical requirements of these directives or other related directives.
- Using the ITR20001 Reflective Photoelectric Sensor
- Five ITR20001/T infrared light detectors are used with higher sensitivity, wider detection range and anti-interference.
- Five-channel analog output, higher accuracy, so that the tracking range of the car is wide and stable
Connection Reference:
VCC: Connect 3.3~5V
GND: Connect GND
U1: Connect MCU.IO(Channel, analog output)
U2: Connect MCU.IO(Channel, analog output)
U3: Connect MCU.IO(Channel, analog output)
U4: Connect MCU.IO(Channel, analog output)
U5: Connect MCU.IO(Channel, analog output)
Specifications:
Note:
*Please allow 1-3mm difference due to manual measurement.
Package Includes:
1 x Infrared Tracking Sensor
RPICT3T1
Please note: Raspberry Pi and sensors are NOT INCLUDED
You can also use these sensor boards with Home Assistant!
Raspberrypi AC current hat with temperature
- 3x AC Current Ports.
- 1x Temperature Ports.
- Provides Irms, EstimatedPower, Temperature.
- View/record data using Linux / Python / Emoncms / Grafana / MQTT and more.
- Configurable from serial port.
- Open Source Arduino Firmware.
What's in the box?
1 x RPICT3T1 Unit.
2 x Mounting Stand offs with screws
The listing does not include sensors and Raspberrypi.
Resources
Online Documentation
Recommended SensorsTemperature:
Current Sensor:
- SCT-013-000 (0A to 100A)
Technical Specifications
Microcontroler | Atmel Attiny84 |
MCU Frequency | 8Mhz |
Operating Voltage | 3.3V |
Waveform Sampling | 2500sps |
Fastest Data Polling | 600ms |
Vertical Resolution | 10 bits (1024 steps) |
Communication | UART Serial Port |
Firmware | Arduino (open source) |
Dimensions | 56x35mm |
Programming port | 6 pin ISP |
Compatible OS | Any supporting GPIO serial port access |
Compatible Raspberrypi | All of Family 1,2,3,4 and Model A, B |
Compatible CT | Current output type |
AC Current Range | 100A |
Max Temperature probes | 8 |
Smallest Readable Current | Approx 50mA to 150mA |
Scope of Use
This development board/kit is intended for use for ENGINEERING DEVELOPMENT, DEMONSTRATION, OR EVALUATION PURPOSES ONLY and is not considered by LeChacal.com to be a finished end-product fit for general consumer use. Persons handling the product(s) must have electronics training and observe good engineering practice standards. As such, the goods being provided are not intended to be complete in terms of required design-, marketing-, and/or manufacturing-related protective considerations, including product safety and environmental measures typically found in end products that incorporate such semiconductor components or circuit boards. This
evaluation board/kit does not fall within the scope of the European Union directives regarding electromagnetic compatibility, restricted substances (RoHS), recycling (WEEE), FCC, CE or UL, and therefore may not meet the technical requirements of these directives or other related directives.
You can also use these sensor boards with Home Assistant!
Features
- 7x AC Current Ports.
- 1x AC Voltage Ports.
- Provides Irms, Vrms, RealP, ApparentP, ReactiveP, PFactor, Frequency, EstimatedP.
- View/record data using Linux / Python / Emoncms / Grafana / MQTT and more.
- Configurable from serial port.
- Open Source Arduino Firmware.
- Stackable with RPICT8 Slave.
What's in the box?
1 x RPICT7V1 board
4 x Mounting Stand off with screws.
The listing does not include sensors and Raspberry pi.
Recommended Sensors
Voltage
Current
- SCT-013-000 (100A)
Technical Specifications
Microcontroler | Atmel Atmega328p |
MCU Frequency | 16Mhz |
Operating Voltage | 5V |
Waveform Sampling | 4400sps |
Fastest Data Polling | 1400ms (all 7 channels) |
Vertical Resolution | 12 bits (4096 steps) |
Communication | UART Serial Port |
Firmware | Arduino (open source) |
Dimensions | 56x65mm |
Programming port | 6 pin ISP |
Compatible OS | Any supporting GPIO serial port access |
Compatible Raspberrypi | All of Family 1,2,3,4 and Model A, B |
Compatible CT | Current output type |
AC Current Range | 30A |
AC Voltage Range | 240V |
Smallest Readable Current | Approx 50mA to 150mA |
Scope of Use
This development board/kit is intended for use for ENGINEERING DEVELOPMENT, DEMONSTRATION, OR EVALUATION PURPOSES ONLY and is not considered by LeChacal.com to be a finished end-product fit for general consumer use. Persons handling the product(s) must have electronics training and observe good engineering practice standards. As such, the goods being provided are not intended to be complete in terms of required design-, marketing-, and/or manufacturing-related protective considerations, including product safety and environmental measures typically found in end products that incorporate such semiconductor components or circuit boards. This
evaluation board/kit does not fall within the scope of the European Union directives regarding electromagnetic compatibility, restricted substances (RoHS), recycling (WEEE), FCC, CE or UL, and therefore may not meet the technical requirements of these directives or other related directives.
The HT16K33 is a memory mapping and multi-function LED controller driver. The max. Display segment numbers in the device is 128 patterns (16 segments and 8 commons) with a 13*3 (MAX.) matrix key scan circuit. The software configuration features of the HT16K33 makes it suitable for multiple LED applications including LED modules and display subsystems. The HT16K33 is compatible with most microcontrollers and communicates via a two-line bidirectional I2C-bus.
Features:
Operating voltage: 4.5V~5.5V.
Integrated RC oscillator.
I2C-bus interface.
16*8 bits RAM for display data storage.
Max. 16 x 8 patterns, 16 segments and 8 commons.
R/W address auto increment.
Max. 13 x 3 matrix key scanning.
16-step dimming circuit.
Selection of 20/24/28-pin SOP package types.
Applications:
Industrial control indicators.
Digital clocks, thermometers, counters, multi meters.
Combo sets.
VCR sets.
Instrumentation readouts.
Other consumer applications.
LED Displays.
Package included:
1 x Module
Getting Started
Although the reader does not read the information on the NFC card, it is triggered by a 125 khz NFC card
The MMDVM hotspot module new version is can work with UHF ( not VHF)
We especially provide a aluminium alloy case for you to install it.
Features
- High performance 32-bit ARM processor
- Fully assembled and tested
- Supports DMR, P-25, D-Star and System Fusion
- Onboard LEDs to show status (Tx, Rx, PTT, Mode)
- Up to 10mW RF power
- SMA antenna connector, UHF antenna included
- Mounts cleanly on all current Raspberry Pi’s including the Pi Zero
- The firmware is pre-loaded and is easily upgraded via software.
- HF 433 900 MHZ
- Support and tested with PI-STAR
What's in the box?
1 x MMDVM Hotspot Expansion Board
1 x Antenna
1 x OLED
1 X Aluminum Case
Resources
PiStar Setup guide
What is an Amateur radio Hotspot
RASPBERRY PI BOARD NOT INCLUDED
Description:
Whether you're pulling-up or pulling-down, there's no need to frown! With the PUD board from ModMyPi, adding multiple pull-up or pull-down resistors to your Raspberry Pi project is easy!
If you want to detect an "output" with your Raspberry Pi, like a button being pressed or a motion sensor detecting movement, we can configure our Raspberry Pi's GPIO pin as an "input". That input pin can be in three states (known as Tri-State logic); "high", when 3.3V is applied, "low", when the pin is connected to 0V, and "floating" when the state is undefined. Floating voltages are troublesome in electronics as the input can either read high or low depending on various fluctuations in electrical noise. Like a gate flapping open and closed in the wind, someone needs to lock the gate closed, or wedge it open. If you leave it flapping, it's likely to hit someone on their bottom on the way through!
Like our gate, the best way to avoid a floating input is to "tie" your input pin either high or low to create a default state. This is usually achieved through the use of a pull-up or pull-down resistor, either connecting our input pin via a resistor to the Pi's 3.3V to achieve a 3.3V high state, or the GND line to achieve 0V low state.
Our PUD board takes the messy wiring out of adding a pull-up or pull-down resistor to your circuit. Simply wire up the sensor output to the single pin on the PUD board and add a shunt jumper to either pull up (u) or down (d)! Therefore when you apply a signal voltage from your sensor or switch, the Pi is easily able to sense into which logic state the pin has been pulled! No more trouble from floating I/O's!
The PUD boards connects across GPIO pins 11 to 18 (17 to 24 in BCM speak), and adds a jumper configurable pull-up or pull-down resistor to each GPIO pin: 11 (BCM 17), 12 (BCM 18), 13 (BCM 27), 15 (BCM 22), 16 (BCM 23) and 18 (BCM 24). Pin 17 (3.3V) & pin 14 (GND) are used to tie the pins!
The PUD Board Features:
- Add a pull-up or pull-down resistor to your GPIO with the swap of a jumper!
- Compatible with all Raspberry Pi Models Inc. A /B /2/3 & Zero/ZeroW
- Tiny board means it's easy to integrate into any circuit - takes up just 8 GPIO pins
- Connects across GPIO pins 11 to 18 inclusive (BCM 17 to 24)
- In-line 1kΩ current limiting resistors on each GPIO
- 10kΩ pull-up or pull-down resistors on each GPIO
- All 6 GPIO pins can be configured independently
- Includes 6 x 2 Pin Shunt Jumpers & 1 x PUD Board
- Jumper configurable pull-up or pull-down resistor on pins:
- 11 (BCM 17)
- 12 (BCM 18)
- 13 (BCM 27)
- 15 (BCM 22)
- 16 (BCM 23)
- 18 (BCM 24).
- Pin 17 (3.3V) & Pin 14 (GND) are used to tie the pins!
- To pull pin up, connect the jumper across "u" and the center pin
- To pull pin down, connect the jumper across "d" and the center pin
What's in the box:
1 x PUD Board
Tutorials:
This pack is a great way to get started with E-Textiles.
We have selected a number of products from our Electro-Fashion range, including three of our ultra-slim LEDs and two seperate power boards. There are enough components for you get started immediately to create some eye catching E-Textiles projects, the only limit is your imagination.
Features:
- Everything you need to complete two projects.
- Enough Electro-Fashion components to get started immediately with E-Textiles.
- Full instructions for assembly.
- Great project ideas and tutorials.
Contents:
- 2 x Coin Cell Holder.
- 3 x Sewable LEDs White.
- 3 x Flashing LEDs White.
- 1 x Slide Switch.
- 1 x Push Switch.
- 2 x CR2032 Coin Cell Batteries.
- 1 x 6m Conductive Thread.
Dimensions:
- Sewable Coin Cell Holder Length: 34mm.
- Sewable Coin Cell Holder Width: 20mm.
- Sewable Coin Cell Holder Height: 4.5mm.
- Ultra Slim Sewable LED Length: 15mm.
- Ultra Slim Sewable LED Width: 6.5mm.
- Ultra Slim Sewable LED Height: 2.7mm.
- Slide Switch Length: 18mm.
- Slide Switch Width: 8.5mm.
- Slide Button Switch Height: 4mm.
- Push Button Switch Length: 18mm.
- Push Button Switch Width: 8.5mm.
- Push Button Switch Height: 3mm.
- CR2032 Battery Height: 3.2mm.
- CR2032 Battery Diameter: 20mm.
Requires:
- Scissors.
- Needles.
Resources:
Caution:
- The coin cell holders in this pack contain Nickel and should not be used in designs where it will be in prolonged contact with the skin.