Total solder points: 263 difficulty level: beginner 1 2 3 4 5 ⌧ advanced 57mm 7-segment digital clock illustrated assembly manual h8089ip-1 large 57mm clock & temp erature displa y with extra unique featur e k8089 k8089.
3 features & specifications features : 12/24h clock system min temp readout: • celsius: -20°c • fahrenheit: -4°f max temp readout: • celsius: 70°c • fahrenheit: 158°f auto toggle function easy time setting easy wall mounting back-up battery automatic frequency detection unique extra feature: auto to...
4 assembly hints 1. Assembly (skipping this can lead to troubles ! ) ok, so we have your attention. These hints will help you to make this project successful. Read them carefully. 1.1 make sure you have the right tools: • a good quality soldering iron (25-40w) with a small tip. • wipe it often on a ...
5 ⇒ use the check-boxes to mark your progress. ⇒ please read the included information on safety and customer service * typographical inaccuracies excluded. Always look for possible last minute manual updates, indicated as ‘note’ on a separate leaflet. 1.3 soldering hints : 1- mount the component aga...
6 construction r1 : 100k (1 - 0 - 4 - b) r2 : 10 (1 - 0 - 0 - b) r3 : 22k (2 - 2 - 3 - b) r4 : 22k (2 - 2 - 3 - b) r5 : 240 (2 - 4 - 0 - 0 - 1) r6 ... R37 : 220 (2 - 2 - 1 - b) ! R38 : 1k (1 - 0 - 2 - b) r39 ... R42 : 10k (1 - 0 - 3 - b) ! R44 : 220 (2 - 2 - 1 - b) r45 : 2k2 (2 - 2 - 2 - b) r46 : 10...
7 construction t1 : bc547 t2 : bc547 7. Transistors t1 vr1 : ua7808 vr2 : ua78l05 8. Voltage regulator sw2 : sign on/off sw3 : hours + sw4 : minutes + 10. Push buttons e1 : cr2032 (3v) 9. Battery holder sk1 : 2p power 12vac sk2 : 3p temp. Sensor ! If remote selection is needed : sw1 : 2p open/closed...
8 construction dy1 : 2 x 5pins dy2 : 2 x 5pins dy3 : 2 x 5pins dy4 : 2 x 5pins 1. Tulip pin headers mount these components on the pcb solderside, solder them on the components side dy 1 dy 2 dy 3 dy 4 5pi ns cu t 8 x 5 pin s solder side.
9 construction cathode dy1 dy2 dy3 dy4 make sure that all displays are correctly mounted ! 2. Digit displays attention: mount the displays so that the dot is mounted towards the push button. Dy 1 dy 2 dy 3 dy 4 side with push buttons 3. Assembly of the enclosure 1 mount the leds, watch the polarity....
10 construction 4. Test and connection 1. Power supply: supply 9-12vac to the inputs marked '12vac'. Make sure supply can deliver 300ma make sure to use an ac power supply. If you supply a dc voltage, the accuracy of the clock will be 5% worst case. 2. Back-up battery: insert a 3v cr2032 battery in ...
11 optional sensor adjusting the temperature sensor (skip this if there is no temp. Sensor connected. In this case, make sure jumper is set to 'clock'). Put a reliable thermometer next to the temperature sensor and leave it there for a while. Press and hold 'min'-button and apply power to the unit. ...
12 jumper, to select how seconds are indicated. Jumper setting 1 assemble the 4 individual housing together. 2 turn the pcb around with the displays on top, place the enclosure on the pcb. 7. Assembly in enclosure hh.Mm hh:mm hh mm.
13 8. Use use mode hour ' hrs' minute 'min' message select 1. Use as thermometer only (no clock): hold 'min'-button and apply power. Unit will display temperature only. If required, you can permanently bridge the 'min'-button. 2. Setting the time: select 12h or 24h readout by means of the jumper. Pr...
14 pcb pcb.
15 schematic diagram schematic diagram r6 r7 r8 r9 r10 r11 r12 r14 r15 r16 r17 r18 r19 r20 r21 r22 r23 r24 r25 r26 r27 r28 r30 r31 r32 r33 r34 r35 r36.
Velleman kit nv legen heirweg 33 9890 gavere belgium europe info ?: http://www.Velleman.Be modifications and typographical errors reserved © velleman kit nv h8089ip - 2009 (rev.1) 5 4 1 0 3 2 9 4 0 3 1 8 8.
