"Qty","Reference(s)","Value","LibPart","Footprint","Datasheet" "1","C100","47uF","Device:C","Capacitor_THT:CP_Radial_D4.0mm_P2.00mm","(or Capacitor_SMD:CP_Elec_5x5.3)" "3","D100, D200, D201","1N4001","Device:D","Diode_SMD:D_SOD-123","A BAV16 diode can also be used." "4","D202, D203, D204, D205","1N4148","Device:D","Diode_SMD:D_SOD-323","~" "1","J100","Conn_01x04","Connector_Generic:Conn_01x04","Connector_PinHeader_2.54mm:PinHeader_1x04_P2.54mm_Vertical","~" "1","J101","Conn_01x05","Connector_Generic:Conn_01x05","Connector_PinHeader_2.54mm:PinHeader_1x05_P2.54mm_Vertical","~" "1","J102","FTSH-105-01-L-DV-007-K","Connector_Generic:Conn_02x05_Odd_Even","lethalbit-connectors:FTSH-105-01-L-DV-K-TR","~" "1","J200","Conn_01x06","Connector_Generic:Conn_01x06","Connector_PinHeader_2.54mm:PinHeader_1x06_P2.54mm_Horizontal","~" "3","J201, J202, J205","Conn_01x01","Connector_Generic:Conn_01x01","Connector_PinHeader_2.54mm:PinHeader_1x01_P2.54mm_Vertical","~" "2","J203, J204","Conn_01x01_MountingPin","Connector_Generic:Conn_01x02","Connector_Coaxial:SMA_Amphenol_132289_EdgeMount","~" "2","JP300, JP400","Jumper_4","misc-mcus:Jumper_4","chip-bo:Jumper4_PinHeader_02x04_2.54mm","(You may want jumper caps to connect two pins)" "1","Q1","Q_NMOS_DGS","Device:Q_NMOS_DGS","Package_TO_SOT_SMD:SOT-23","(See PCB silkscreen for pinout)" "2","R1, R2","47k","Device:R","Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder","~" "2","R401, R402","10k","Device:R","Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder","~" "1","R500","4.7k","Device:R","Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder","~" "1","SW1","SW_Push","Switch:SW_Push","Button_Switch_THT:SW_PUSH_6mm","~" "1","U100","Pico","MCU_RaspberryPi_and_Boards:Pico","MCU_RaspberryPi_and_Boards:RPi_Pico_SMD_TH","" "1","U500","MAX4619","4xxx:4053","Package_SO:SO-16_3.9x9.9mm_P1.27mm","http://www.intersil.com/content/dam/Intersil/documents/cd40/cd4051bms-52bms-53bms.pdf" ; only if you need the VMA404/WPM404 buck-boost module: "1","U300","WPM404","misc-mcus:WPM404","chip-bo:VMA404-Module-THT","https://www.velleman.eu/downloads/29/vma404_a4v02.pdf" ; only if you need the on-board DCDC buck-boost converter: "1","C300","470uF","Device:C","Capacitor_THT:CP_Radial_D6.3mm_P2.50mm","(or Capacitor_SMD:CP_Elec_5x5.3)" "1","C302","220uF","Device:C","Capacitor_THT:CP_Radial_D6.3mm_P2.50mm","(or Capacitor_SMD:CP_Elec_5x5.3)" "2","C301, C303","100nF","Device:C","Capacitor_SMD:C_0603_1608Metric_Pad1.08x0.95mm_HandSolder","~" "1","D300","1N5822","Device:D","Diode_SMD:D_SOD-123","An SS14 diode can also be used" "1","L300","10nH","Device:L","Inductor_SMD:L_7.3x7.3_H4.5","~" "1","R300","820","Device:R","Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder","~" "1","U301","LM2596T-ADJ","Regulator_Switching:LM2596T-ADJ","Package_TO_SOT_THT:TO-220-5_P3.4x3.7mm_StaggerOdd_Lead3.8mm_Vertical","http://www.ti.com/lit/ds/symlink/lm2596.pdf" ; only if you need the on-board LDO converter: "1","C304","1uF","Device:C","Capacitor_SMD:C_0603_1608Metric_Pad1.08x0.95mm_HandSolder","~" "1","C305","10uF","Device:C","Capacitor_SMD:C_0603_1608Metric_Pad1.08x0.95mm_HandSolder","~" "1","U302","BD00IA5MEFJ","misc-mcus:BD00IA5MEFJ","Package_SO:HSOP-8-1EP_3.9x4.9mm_P1.27mm_EP2.41x3.1mm","https://www.farnell.com/datasheets/2296755.pdf" ; only if you need the filter: "1","C400","10uF","Device:C","Capacitor_SMD:C_0603_1608Metric_Pad1.08x0.95mm_HandSolder","~" "1","R400","47k","Device:R","Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder","~" "1","U400","LM358","Amplifier_Operational:LM358","Package_SO:SO-8_3.9x4.9mm_P1.27mm","http://www.ti.com/lit/ds/symlink/lm2904-n.pdf (has many suppliers, also called AM358 etc. If you can find a TSX922 (or another with rail-to-rail output & unity gain stability), use that one.)" ; only if you need the digipot (i.e. need on-board buck-boost *OR* on-board LDO *OR* nonzero glitch-voltage) "2","R403, R404","10k","Device:R","Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder","~" "1","U401","DS1803","misc-mcus:DS1803","Package_SO:TSSOP-14_4.4x5mm_P0.65mm","https://www.farnell.com/datasheets/33527.pdf"