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Http://iqrf.org/weben/downloads.php?id=104 Bluetooth v4.2 + NFC module Modtronix Wireless SX1276 LoRa Module (http://modtronix.com/img/prod/imod/inair9/inair_dimensions.gif Modtronix LoRa inAir inAir9 SX1276 RF 915MHz 868MHz Wireless RAK811 LPWAN Module https://downloads.rakwireless.com/LoRa/RAK811/Hardware_Specification/RAK811_LoRa_Module_Datasheet_V1.4.pdf RAK4200 LPWAN Module https://downloads.rakwireless.com/LoRa/RAK4200/Hardware-Specification/RAK4200_Module_Specifications_V1.4.pdf Class 2 Bluetooth Module with on-board Fireball/Fireball.kicad_pcb | 2 Smaller cap (476nF?) for C1 Ceramic 104s for C10, C14, might be more robust and easier to adjust CV output range, switch between 5v and 2.5v max (or whatever is configured). Momentary-normal-off pushbutton to manually step. SPST switch to set output voltages. (10 One potentiometer for internal clock rate. Switches: One SPST switch per step, to indicate direction? Pointer1 = 0; // [0:No, 1:Yes] // Do you want.

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