Viewing a response to: @whytehorse/re-cryptos-re-whytehorse-re-cryptos-custom-28-relay-controller-board-for-raspberry-pi-3-20170717t141557299z
When powering on/off the Pi the GPIO pins 2, 3, 14 change state temporary... switching on and off the relays on them.
| author | cryptos |
|---|---|
| permlink | re-whytehorse-re-cryptos-re-whytehorse-re-cryptos-custom-28-relay-controller-board-for-raspberry-pi-3-20170717t142019568z |
| category | technology |
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| created | 2017-07-17 14:20:21 |
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I didn't understand it!?
| author | faysal-1 |
|---|---|
| permlink | re-cryptos-re-whytehorse-re-cryptos-re-whytehorse-re-cryptos-custom-28-relay-controller-board-for-raspberry-pi-3-20170803t182020962z |
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| created | 2017-08-03 18:20:36 |
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OIC, the only solution for that is to invert the signal at the hardware level. Such an inverter can simply be built with a single transistor and two resistors, or you can use a chip with six of them, like a 74HC04 (powered with 3,3V).
| author | whytehorse |
|---|---|
| permlink | re-cryptos-re-whytehorse-re-cryptos-re-whytehorse-re-cryptos-custom-28-relay-controller-board-for-raspberry-pi-3-20170718t202919543z |
| category | technology |
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| created | 2017-07-18 20:28:57 |
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āĶāĶĪ it is too much costly here in Bangladesh!!
| author | faysal-1 |
|---|---|
| permlink | re-whytehorse-re-cryptos-re-whytehorse-re-cryptos-re-whytehorse-re-cryptos-custom-28-relay-controller-board-for-raspberry-pi-3-20170803t181809951z |
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hiveblocks