Forum
EasyIoT server
MySensors Driver
NRF24L01 Arduino balcony irrigation controller
NRF24L01 Arduino balcony irrigation controller
Less
More
Posts: 862
Karma: 25
Thank you received: 264
Less
More
Posts: 99
Karma: 1
Thank you received: 7
9 years 4 months ago #1871
by asm7100
Nice job
You can quit the 2N2222 the relays has opto copler on it, it like driving a led
//
Allan
The following user(s) said Thank You:
sharonlei
Please Log in or Create an account to join the conversation.
Less
More
Posts: 862
Karma: 25
Thank you received: 264
9 years 4 months ago #1879
by EasyIoT
asm7100 wrote: Nice job
You can quit the 2N2222 the relays has opto copler on it, it like driving a led
Thx. This was my first EasyIoT project.
2N2222 is conected to analog input, DO is connected directly to relay.
The following user(s) said Thank You:
sharonlei
Please Log in or Create an account to join the conversation.
Less
More
Posts: 71
Karma: 1
Thank you received: 4
9 years 3 months ago #2030
by skywatch
To minimise corrosion of the humidity probe, either use gold plated probes or only power them on just before taking the reading and then off afterwards. Electolysis is a good thing, but not always!
Please Log in or Create an account to join the conversation.
Less
More
Posts: 3
Thank you received: 2
Less
More
Posts: 71
Karma: 1
Thank you received: 4
Forum
EasyIoT server
MySensors Driver
NRF24L01 Arduino balcony irrigation controller
Time to create page: 0.270 seconds