Sonoff Basic to control old ductless AC
![Post Post](./styles/FLATBOOTS/imageset/icon_post_target.gif)
I have modified my sonoff basic to isolate the relay so that its disconnected from the main and will toggle a circle, like a switch. I have an older ductless AC unit that I would like to wire the sonoff in to toggle on/off Cool made. I unit uses a wired remote. I do not have any EE background and I'm afraid that I might fry it... I have attached two images, one of the remote and one of the circuit board; I drew a red box around where I think I need to make the connection to turn on cool mode. Any help with this project would be appreciated!
![Image](https://lh3.googleusercontent.com/IpxGyC-GvPHMwSzbgniK0hEiUxE3Ff3Gjqy8KgaahzRGpqlALs5Rgcdl6EA6q6DwpN2ZgJpFASofMDUQAcP8JpFrNUbo7wh0MpFgvGJLybn-wlfmh0MQH-Muh841C5CT8GgVab7bc8pWEQm2GX9UvbemSBGKqoLagelN57T5zNUMH4vTXw-pV-zoLw6u9sUB2ak515gF_Jg8XBtBCM3taeHAN-fYhPhxz3YRXPATM1r0ExA-i8XSA_i5jEhl_jnlBX8shUZaOFR-Iu7NnwCNcfzj7w6Nji708LPprXPsaIZaC_KtaRTHyJFU1t6h68QcwEcFI2pLWS7IrcfWUtVH0zfu3nUdMCg6RwHmsgmXVkot0YnDCgo7HOoJJQkQ63lVNwBBr4odozU63Hd0CcXP_KBuxAjtpF5hWqIlGY_r9uIWQxvvpkl9fU2pqE0yIaUHNajwjw_yAXrNlKXUGHgrY6ShWqLoQurOW0xWFEIMyfMLF946HPVmwI7Fjv0jzMkmR_8R63C2YguvpoQhICJ1z6B8TKxE2D7Hfmn0q0kFWsqtSFl_T1w_zwCh2iH7yGeD0hPGz9DNmfkSxeX9tAT7Dl81YzuXLNeJ5wK6WuEQGKt_MVP8s8sJVurh1ZHxT-7bRwx2R7tIw3mP7fsgor3C5V0sfkv51nQyx7IKDjw7x84=w664-h886-no)
![Image](https://lh3.googleusercontent.com/O8dNQZVQPuEqTMYRJ2tDGsVQIjFL6H5-eHQHU_uQtfl-tZx5y94uJew8OEC58LlvhQD1S7h43FQV9fGiuv4IgrhvCDzSXLOXh2q8FtpwxXAjVDnWnTI2Q-U_gzlTnqhEHQtDC_q5dn9MCTgPdZS12ozvXq6SeXlENZutmVrSpBLtYkYRs_dZoSTh1CJHgbTtPJFFi4I9eYMYGzK9-ZsX2Nr1pCoxHgtB3hJZRpXktoyUSnl6SJXQOU-4-lMB8RSITNkDOfhloOV83zT654DBguzIVDUNNyNbF0oE7KYfGJpNZ2izfyWW3336AbY729eO_kgUUzpI7D7O8jH71zcKRokaD8eTmUJALv1QXgBjLuRtfLfPFax05xkTaU1Feuh6jt0K2DeGuX_fHKZAJ0pf5hcqBpTl9ZjfVqXCObsS_poeQ4QumGUvy_cGjFXqG96TYedLvcH2e0VKmyFfP7-s6kzlfMD_UwWSl-3H7v4QtwG7AibPUhJ8BMVyY1B3J0sbuFbRkNy6uvBneVLWXojfEiIHmDm96mbSSZFaOiJvMsic5pqjNo-HaAIPZOL1uOVkooLpP0SU6mMiaZINsF4V8kjX4QEDrTTDy_GsMpvqV2phgAvJCX0DLvmCjDeBF3G-d71984P_27YEmnQIA6rVhyt1OfPBqqTv2-3oO2LRinY=w664-h886-no)
Here is another image if the first one was hard to see:
![Image](https://lh3.googleusercontent.com/q29AnpRcokyUdF2zCbBaO3L141YF8KbGGJTRsqDEihqGgK6-6YFYisrEpvG3zk214qyB6Wq_vS46Sfootoo8UGEs4NH5ML-LVOEUZV57AOjSGQT2wPv_CGPSOZaYZmaQRoL19y3G4LOnW3nCJ3WmZiM4qdcjovUAD3lAT7Sp_nIITX066L1Z_Pvv0alQ_bQKchRiKB7iBmWha-aYgpMuIMHyof3Ue_FZVTsTONg-UiI3NYkYnrw6imuMp1eMdrpkZFHCT4ZcIU8Db4B6MxmrQ71iUlaxP-m6BejDYCObhirXvX03ocphfWaQvIaFPhr5Xmc9pXbVIkCgDqNMcbyfMP5hkxuZ4ugDMCzvtoZQfMph0tbPaG-x6qpbIm2QDVt3J4iYp7tbxxKI3Tojm-IWIbnMln1gDHktFWAo0p2CIlATk2ZZRQOZz6EP5BN_1g4_zlnZE23Zm4y0giHApZ89oLEruNANfxalkaTtetBiKf14DDpwHH61hd4DS4J8SQLsKgcLCPkHWyhmMX0DTB-jZvu8FSKSU3ShJxOm46lI6TsuHJp67pAlCeC78jMoV4kzKMCm1SqHVfNsOzFMiwbB3tWIWTaWwKwJq7PrfwBPo5LWbABjlLzitcjQa0GM3a29T50rbAeollYtnxFFGNfwC8m3PqKXo4U08aCWR6nXMkI=w665-h886-no)
Here is another image if the first one was hard to see: