To design the schematic and PCB, I used Altium Designer, embedded a DS18B20 sensor to sense the temperature, and a small 5V-10A Panasonic Relay to control an external device. You can power the board using a 5V USB Type-C cable, such as a mobile phone charger or a power bank. I paid attention to...
So I got a sonoff smart WiFi switch (RE5V1EC) to safely initiate all my potentially lethal chemical ignitions (methane balloons, chlorate powered rockets, enclosed butane vapors and all other cheap pyrotechnics you can imagine).
I quickly realized that:
1- it's a headache configuring this...
Hi, I was thinking of using the Belkin Wemo wifi a/c switch to switch on my central heating boiler. I thought the best way would be to use it to switch a relay on the boilers dc switch circuit. However, I find the circuit has 32V and all the relays I find are rated up to on 30v dc. Essentially...