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Count 0 Minor layout tweaks Based on designs from: Skull & Circuits (https://www.skullandcircuits.com/vca-1-2/ - Moritz Klein (https://www.ericasynths.lv/shop/diy-kits-1/edu-diy-vca/ Two voltage-controlled amplifiers Two CV inputs for each, one primary and one with an eye towards doing it all in one module with integral chip antenna (http://ww1.microchip.com/downloads/en/DeviceDoc/60001380C.pdf Cypress EZ-BLE PRoC Module (Bluetooth Smart) 21 Pin Module Digi XBee SMT RF ESP WROOM-02 espressif esp8266ex 2.4 GHz Wi-Fi and Bluetooth combo chip, external antenna, https://www.espressif.com/sites/default/files/documentation/esp32-s3-mini-1_mini-1u_datasheet_en.pdf 2.4 GHz Wi-Fi and Bluetooth combo chip with U.FL connector, https://www.espressif.com/sites/default/files/documentation/esp32-wroom-32d_esp32-wroom-32u_datasheet_en.pdf D52M ANT SoC Module https://www.thisisant.com/assets/resources/D00001687_D52_Module_Datasheet.v.2.3_(Garmin).pdf RF SoC Radio ANT Bluetooth BLE D52 nRF52 Garmin Canada Dynastream Nordic Low Power Long Range Transceiver Module LoRa Radio, RF, Module, http://www.hoperf.com/upload/rf/RFM69HW-V1.3.pdf 8 pin DIP socket A-001 1 14 pin DIP socket | | | 8 | 1N4148 | 100V 0.15A standard switching diode, DO-35 Standard switching diode, DO-35"/> Operational amplifier, DIP-8 Schottky Barrier Rectifier Diode, DO-41 D3, D4, D5, D8, D9, D10 | 8 pin SIM connector for PCB's with 08 contacts (not polarized Highspeed card edge card connector socket for 1.57mm PCBs, vertical (source: https://suddendocs.samtec.com/prints/hsec8-1xxx-xx-xx-dv-x-xx-footprint.pdf 0.8 mm Highspeed card edge connector for PCB's with 40 contacts (not polarized Highspeed card edge connector for PCB's with 30 contacts (polarized Highspeed card edge connector for 2.4mm PCB's with 05 contacts (not polarized Highspeed card edge connector for PCB's with 30 contacts (not polarized Highspeed card edge connector for 1.6mm PCB's with 20 contacts (not polarized Highspeed card edge connector for PCB's with 50 contacts (polarized Highspeed card edge connector for 1.6mm PCB's with 05 contacts (polarized Highspeed card edge connector for 2.4mm PCB's with 30 contacts (not polarized.

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