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Update README.md
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the-lazy-fox committed Apr 5, 2018
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Expand Up @@ -6,14 +6,15 @@ Let's play with SomPi!

## Hardware - What do you need?
The first step is to buy the needed hardware.
1. **Transmitter**

### Transmitter
- I took this one: [433MHz RF Transmitter Receiver Kit](https://www.ebay.ch/itm/272993898467?ViewItem=&item=272993898467).
- There is 5 transmitters and receivers in this kit, useful and cheap.
2. **Crystals**
### Crystals
- As Somfy as a particular frequency to avoid noises, I found out that it's needed to change the crystal.
- I took this one: [433.42M 433.42MHz R433 F433 SAW Resonator Crystals TO-39](https://www.ebay.ch/itm/232574365405?ViewItem=&item=232574365405).
- There is 5 crystals also in this kit, useful and cheap too.
3. **Wires**
### Wires
- To easy plugs between the Raspberry Pi and the Transmitter. I had in stock some [Male to Female Solderless Flexible Breadboard Jumper Cable Wire for Raspberry Pi](https://www.amazon.com/Ganvol-Flexible-Breadboard-Raspberry-ordinateur/dp/B01LVVIOUO) but they were Male to Female...so I had to customized them.
- Otherwise, you can buy directly [Female to Female Solderless Flexible Breadboard Jumper Cable Wire for Raspberry Pi](https://www.amazon.com/Ganvol-Flexible-Breadboard-Raspberry-ordinateur/dp/B01LWAXJJS)

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