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Wideband Fuel Mixture Display short-form kit

A set of parts for the WFMD, which includes the PCB and all the onboard parts. You will need to purchase the O2 sensor, connectors, case, wiring, pressure sensor and some other bits and pieces separately.

Click the link immediately below to see a full list of all parts included in the kit. Note: photo shows assembled PCB with wiring in place.

Cat No SC6721. Price: AUD $120.00 ¹

Add to trolley (available until stock is exhausted)

In stock:

yes (15 available). Estimated dispatch time: 1-3 days

Related to:

Project: Wideband Fuel Mixture Display Part 1 (April 2023 [print issue] [online issue])
Project: Wideband Fuel Mixture Display, Pt2 (May 2023 [print issue] [online issue])
Project: Wideband Fuel Mixture Display, Pt3 (June 2023 [print issue] [online issue])

Other items relevant to these projects:

Kit parts list

	1 × 4-pin tactile switch, black 6×6mm (1mm actuator)
	1 × 50kΩ top-adjust multi-turn trimpot
	9 × 10kΩ top-adjust multi-turn trimpot
	1 × 1kΩ top-adjust multi-turn trimpot
	2 × 500Ω top-adjust multi-turn trimpot
	1 × Wideband Fuel Mixture Display PCB [05104231]
	1 × HC-05 Bluetooth module

Connectors

	3 × jumper shunt
	1 × 12-pin male header (2.54mm pitch)

Semiconductors

	1 × PIC16F18877-E/PT programmed for the Wideband Fuel Mixture Display [0510423A.HEX] (WFMD)
	1 × IPP80N06S4L-07 high-current N-channel Mosfet (TO-220)
	1 × LM2940CT-12/NOPB-ND 12V 1A LDO regulator (TO-220)
	1 × LM317 37V 1.5A adjustable linear regulator (TO-220)
	1 × 3mm red diffused LED
	1 × LMC6484IMX/NOPB quad op amp IC (SOIC-14)
	1 × 1N4004 400V 1A diode (DO-41)
	2 × OPA2171AIDR dual op amp IC (SOIC-8)
	1 × BC807-40 50V 0.8A PNP transistor (SOT-23)
	2 × BC817-40 50V 0.8A NPN transistor (SOT-23)
	1 × BC847BLT1G 50V 100mA NPN transistor (SOT-23)
	3 × 1N4148WS 75V 200mA fast switching diode (SOD-323)
	1 × BZV55-C15 15V ±1% ½W zener diode (SOD-80C)
	1 × BZV55-C16 16V ±1% ½W zener diode (SOD-80C)
	1 × BZV55-C33 33V ±1% ½W zener diode (SOD-80C)
	5 × SS14 [SMD 1N5819 equivalent] 40V 1A schottky diode (DO-214AC)

Through-hole Capacitors

	5 × 100µF 16V electrolytic
	1 × 10µF 50V electrolytic (2.5mm pitch)
	1 × 470nF 100V MKT
	1 × 220nF 100V MKT
	6 × 100nF 100V MKT

SMD Capacitors

	3 × 10µF 50V M3216/1206 X7R
	5 × 1µF 50V M3216/1206 X7R
	2 × 100nF 50V M3216/1206 X7R
	1 × 3.3nF 50V M2012/0805 X7R
	1 × 22pF 50V M2012/0805 C0G/NP0

SMD Resistors

	1 × 1MΩ ±1% M3216/1206 ¼W
	2 × 560kΩ ±1% M3216/1206 ¼W
	2 × 470kΩ ±1% M3216/1206 ¼W
	4 × 100kΩ ±1% M3216/1206 ¼W
	1 × 62kΩ ±1% M3216/1206 ¼W
	3 × 22kΩ ±1% M3216/1206 ¼W
	1 × 20kΩ ±1% M3216/1206 ¼W
	1 × 15kΩ ±1% M3216/1206 ¼W
	8 × 10kΩ ±1% M3216/1206 ¼W
	1 × 5.1kΩ ±1% M3216/1206 ¼W
	1 × 2.2kΩ ±1% M3216/1206 ¼W
	1 × 1.1kΩ ±1% M3216/1206 ¼W
	1 × 1kΩ ±1% M3216/1206 ¼W
	1 × 470Ω ±1% M3216/1206 ¼W
	1 × 330Ω ±1% M3216/1206 ¼W
	1 × 150Ω ±1% M3216/1206 ¼W
	1 × 120Ω ±1% M3216/1206 ¼W
	1 × 62Ω ±1% M3216/1206 ¼W
	2 × 10Ω ±1% M3216/1206 ¼W
	1 × 1Ω ±1% M3216/1206 ¼W
	1 × 0.1Ω ±1% M6331/2512 3W (75ppm)

Cable & Hardware

	4 × 15-16mm metal panhead M3 screw
	4 × Stainless or carbon steel M3 hex nut

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