Waveshare 17852 2-CH TRIAC HAT
Description
Dual Channels Triac HAT
Bidirectional SCR isolated HAT, Dual Channels Triac Output Control
Designed for Raspberry Pi![](https://www.welectron.com/mediafiles/productimg/waveshare/devkit/accBoard/2-CH-TRIAC-HAT/2-CH-TRIAC-HAT-1_960.jpg)
Advantages Over Relay
High efficiency, no mechanical noise or wear, quick response, adjustable output
![](https://www.welectron.com/mediafiles/productimg/waveshare/devkit/accBoard/2-CH-TRIAC-HAT/2-CH-TRIAC-HAT-3_960.jpg)
![](https://www.welectron.com/mediafiles/productimg/waveshare/devkit/accBoard/2-CH-TRIAC-HAT/2-CH-TRIAC-HAT-4_960.gif)
Designed for Raspberry Pi series
Standard Raspberry Pi 40PIN GPIO header, customized for Raspberry Pi series boards
![](https://www.welectron.com/mediafiles/productimg/waveshare/devkit/accBoard/2-CH-TRIAC-HAT/2-CH-TRIAC-HAT-5_960.jpg)
Features at a glance
- STM32F0 MCU controller, requires minimal Raspberry Pi resource, UART / I2C communication
- RC snubber circuit, protect the triac from power fluctuation
- Up to 4400W output power, under ideal heat dissipation condition
- Optocoupler isolation, preventing interference from the high voltage circuit
- Indicator for easy checking the status of triac
- Reserved UART and I2C interface, for working with other host control boards
- Data rate: up to 921.6kbps for UART,up to 1024kbps for I2C
- Comes with development resources and manual (examples in C and Python)
STM32F0 MCU Onboard
Integrates STM32F030 MCU, supports directly command control, easy for developpingQuicker response, requires minimal resource from the Raspberry Pi
![](https://www.welectron.com/mediafiles/productimg/waveshare/devkit/accBoard/2-CH-TRIAC-HAT/2-CH-TRIAC-HAT-7_960.jpg)
High data rate, always one step ahead
up to 921.6kbps for UART,up to 1024kbps for I2C
![](https://www.welectron.com/mediafiles/productimg/waveshare/devkit/accBoard/2-CH-TRIAC-HAT/2-CH-TRIAC-HAT-9_960.jpg)
Powerful output power
Up to 4400W output power, under ideal heat dissipation condition
![](https://www.welectron.com/mediafiles/productimg/waveshare/devkit/accBoard/2-CH-TRIAC-HAT/2-CH-TRIAC-HAT-11_960.jpg)
Optocoupler isolation Safety first!
Optoisolated solution, preventing interference from the high voltage circuit
![](https://www.welectron.com/mediafiles/productimg/waveshare/devkit/accBoard/2-CH-TRIAC-HAT/2-CH-TRIAC-HAT-13_960.jpg)
![](https://www.welectron.com/mediafiles/productimg/waveshare/devkit/accBoard/2-CH-TRIAC-HAT/2-CH-TRIAC-HAT-15_960.jpg)
Home appliance support
in the example of controlling 220VAC home appliances
![](https://www.welectron.com/mediafiles/productimg/waveshare/devkit/accBoard/2-CH-TRIAC-HAT/2-CH-TRIAC-HAT-17_960.jpg)
Applications
![](https://www.welectron.com/mediafiles/productimg/waveshare/devkit/accBoard/2-CH-TRIAC-HAT/2-CH-TRIAC-HAT-19_960.jpg)
What's On Board
![](https://www.welectron.com/mediafiles/productimg/waveshare/devkit/accBoard/2-CH-TRIAC-HAT/2-CH-TRIAC-HAT-20_960.jpg)
- BTA24-600 high power bidirectional triac
- MOC3021S photocoupler, the triac driver
- LTV-824S AC photocoupler
- RC snubber circuit
- LM358DR OP amplifier
- STM32F030F4P6 main controller
- RT9193-33PB power chip
- Output indicator
- 20A blow fuse
- Standard Raspberry Pi 40PIN GPIO header
- MCU control interface, for use with other host control boards like Arduino
- AC input
- AC output
- Data bus selection A: use Raspberry Pi I2C bus B: use Raspberry Pi UART bus
- Mode selection A: I2C mode B: UART mode
Specifications
AC voltage | 100 ~ 600V | UART data rate | 1.2 ~ 921.6 kbps |
---|---|---|---|
AC current | 0~20A | I2C data rate | 1024 kbps |
Controller | STM32F030 | Logic level voltage | 3.3V/5V |
Communication bus | I2C/UART | Dimensions | 65 × 56.5(mm) |
Pinout definition
![](https://www.welectron.com/mediafiles/productimg/waveshare/devkit/accBoard/2-CH-TRIAC-HAT/2-CH-TRIAC-HAT-21_960.jpg)
Outline dimensions
![](https://www.welectron.com/mediafiles/productimg/waveshare/devkit/accBoard/2-CH-TRIAC-HAT/2-CH-TRIAC-HAT-23_960.jpg)
Resources & Services
![](https://www.welectron.com/mediafiles/productimg/waveshare/devkit/LCD/common/res_banner.png)
* Resources for different product may vary, please check the wiki page to confirm the actually provided resources.
Package Contents
- 2-CH TRIAC HAT x1
- Screws x1
1
![](https://www.welectron.com/mediafiles/productimg/waveshare/devkit/accBoard/2-CH-TRIAC-HAT/2-CH-TRIAC-HAT-1_220.jpg)
2
![](https://www.welectron.com/mediafiles/productimg/waveshare/devkit/accBoard/2-CH-TRIAC-HAT/2-CH-TRIAC-HAT-25_220.jpg)
Shipping weight: | 0.09 Kg |