The ArduBat
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Parts List

Printed Circuit Board ( 1 ea ) email: T-Rex@ix.netcom.com
High Impedance Ceramic Earphone ( 1ea ) Mouser: P/N 25CR060-ROX ( no plug )
Ultrasonic Transducer ( 1 ea ) - ( See Note # 1 ) Mouser: P/N 255-400SR16-ROX
6.8 mH Ferrite shielded detuning coil - ( See Note # 1 ) Mouser: P/N 434-02-682J ( only for 400SR16 transducer )
36 position Header Strip - Tinned ( 2 ea - in case they don't cut clean ! ) DigiKey: P/N 929834E-04-36-ND
PC mount Pushbuttons ( 3 ea ) DigiKey: P/N P8008S-ND
Red LED ( 1 ea ) DigiKey: P/N 160-1127 -ND
Yellow LED ( 1 ea ) DigiKey: P/N 160-1130-ND
Green LED ( 1 ea ) DigiKey: P/N 160-1133-ND
L78L09 9v LDO regulator IC ( 1 ea ) DigiKey: P/N 497-7274-ND
IC1 & 2 - LM386N-1 - amplifier ( 2 ea ) DigiKey: P/N LM386N-1-ND
IC3 - CD4024 - binary counter ( 1 ea ) DigiKey: 296-2042-5-ND ( Do not substitute this source !! )
470uF, 16 volt electrolytic capacitor ( 1 ea ) Mouser: P/N 647-UVR1C471MPD
220uF, 25 volt electrolytic capacitor ( 2 ea ) DigiKey: P/N 565-1546-ND
10 uF, 25 volt electrolytic capacitor ( 2 ea ) DigiKey: P/N P5148-ND
.1uF ( 100nF ) ceramic capacitor ( 2 ea ) DigiKey: P/N 399-4151-ND
.047 uF ( 47nF ) ceramic capacitor ( 1 ea ) DigiKey: P/N 399-4189-ND
.022 uF ( 22nF ) ceramic capacitor ( 1 ea ) DigiKey: P/N 399-4170-ND
150 ohm, 1/4 watt resistor ( 2 ea - 1 optional for gain setting ) - Note # 1 DigiKey: P/N 150QBK-ND
220 ohm, 1/4 watt resistor ( 2 ea - 1 optional for gain setting ) - Note # 1 DigiKey: P/N 220QBK-ND
470 ohm, 1/4 watt resistor ( 1 ea - optional for gain setting ) - Note # 1 DigiKey: P/N 470QBK-ND
680 ohm, 1/4 watt resistor ( 4 ea - 3 for LEDs - 1 optional for gain setting ) - Note # 1 DigiKey: P/N 680QBK-ND
1K ohm, 1/4 watt resistor ( 1 ea - optional for gain setting ) - Note # 1 DigiKey: P/N 1.0KQBK-ND
10K ohm, 1/4 watt resistor ( 5 ea ) DigiKey: P/N 10KQBK-ND

Notes:

  1. The Mouser transducer listed in the parts list should be used with a 6.8 mH detuning coil for the best possible frequency response for the ArduBat. When the detuning coil is used, the typical frequency response will cover 30-50 kHz with an added response node at 20 kHz. Generally, gain resistor value ( *** ) will vary from 150 ohms to 1K ohms depending on your specific transducer and wiring layout. No detuning coil is specified for any other transducer.

  2. Parts Sources:

Tony Messina - email: T-Rex@ix.netcom.com - This parts list was last updated on August 16th, 2013