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Multi-channel LED controller, 12V 1A per channel, 1500Hz PWM, RS485/Bluetooth control
Universal board for LED control.
- Atmega8/328 on board with programming connector
- PCA9685 for 16 channel PWM up to 1.5kHz (eye-safe frequency), 12 bits per channel
- cheap ULN2003 with paired outputs for 1A per channel (2-3 meters of RGB 5050 strip per connector)
- or SOT23 MOSFETs if you need more power
- BT05 bluetooth module or MAX485, control by wire or wireless. DMX512 is possible.
- pads...
Dimmer AC 4 Channel
Диммер Создаем на базе релейного блока с симмисторным выходом https://easyeda.com/Alex_AW/Rele_4in4out_rs485_din_SMD_copy-68ff5b701321441db7af0a9c7a22ec00
Для этого в схеме заменим оптосиммисторы с встроенным датчиком нуля на симмисторы без датчика. Добавим в схему датчик перехода через 0. Изменим печатную плату силового блока. И допишем программу добавив диммерные функции.
Подробное описание ре...
$5 ModBus repeater
The cheapest* RS485/ModBus repeater in the World!
*may be
ModBus 6-channel PWM controller
Goals of this project:
1. Test STM8S family MCU in application with 5V supply;
2. Test PCB order and shipping from EasyEDA;
3. Make cheap LED ceiling.
RS485-TTL
RS-485 Breakout
BOB-10124
Description: This is a breakout board for the SP3485 RS-485 transceiver IC, which will convert a UART serial stream to RS-485. The SP3485 is a half-duplex transceiver, so it can only communicate one way at a time, but it can reach transmission speeds of up to 10Mbps. This board requires a very low amount of power and can operate from a single +3.3V DC supply.
This bre...
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如果需要转移工程请在个人中心 - 工程 - 工程高级设置 - 下载工程，下载后在https://lceda.cn/editor 打开保存即可。
有问题联系QQ 3001956291 不再提醒
如果需要转移工程请在个人中心 - 工程 - 工程高级设置 - 下载工程，下载后在https://lceda.cn/editor 打开保存即可。
有问题联系QQ 3001956291 不再提醒
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