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116 Schematics on this website


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1Frequency counterscheme_v03.gif1972009-01-09
2Rectangle generator m8rechteckgen_scheme_v1_m8.gif1782006-05-20
3DCF77 superhet receiver IF=455kHzdcf77_rcvr_scheme.gif1502018-05-15
412 Infrared transmitter/receiverIR-Rx_Scheme_2.gif1112017-02-18
512 Infrared transmitter/receiverIR-Rx_Scheme_1.gif1092017-02-18
612 Infrared transmitter/receiverIR-Rx_Scheme_tn24.gif1072017-02-22
7ATtiny with xtal and dividertinyxtal_schematic.gif1012019-04-25
8DCF77 transistor amplifierdcf77_transistorscheme.gif952020-05-16
9Signal generator M16signalgenerator_m16_scheme.gif912018-09-21
107 Key interruptKey_Duoled_scheme.gif912017-01-20
11DCF77 cross antennadcf77_rcvr_crossantennaschematic.gif902019-05-26
12DCF77 transistor amplifierdcf77_trans_rect_scheme.gif902020-05-06
13DCF77 transistor amplifierdcf77_amrectifier_scheme.gif882020-05-13
14Keys and switches on ADCschematic_window.gif762018-06-27
15DCF77 TCA440 direct amplifierdcf77_direct_tca440_schematic.gif742019-05-24
1611 EEPROM accessEEPROM_Scheme.gif702017-02-15
17A long time timer with tn13longtimer_tn13_schematic.gif682021-03-17
18DCF77 resonance with ribbon cable antennasdcf77_resonance_transistoramp_schematic.gif672021-05-13
19DCF77 resonance with ribbon cable antennasdcf77_resonance_OpAmpAmp_schematic.gif662021-05-13
20DCF77 resonance with ribbon cable antennasdcf77_loop_testoscillator_schematic.gif652021-05-16
2110 LCD displayLCD-Display_Scheme_1.gif622017-02-11
22DCF77 superhet IF=32kHzdcf77_super_schematic_filterpassband.gif612019-05-16
2310 LCD displayLCD-Display_Scheme_2.gif612017-02-10
24ATtiny24/44/84 experimental board with LCDtn24_lcd_scheme.gif602018-02-21
DCF77 sync receiver LCD with tn24
25Thermometer with an ATtiny24 and LCDthermometer_tn24_schematic.gif592023-02-02
26DCF77 superhet IF=32kHzdcf77_super_schematic.gif542019-06-24
27DCF77 receiver with a regulated OpAmpdcf77_opampreg_schematic.gif502021-01-12
28Accessing port registersaddressing_circular32_schematic.gif482021-09-16
29UV exposure deviceuv_scheme_light.gif482010-02-06
30Stopwatch m8stopwatch_m8_scheme.gif472018-07-29
31UV exposure deviceuv_scheme_proc.gif462010-06-08
32Stepper motor controller ATtiny2428BYJ-48_schematic.gif462018-03-15
33UV exposure devicepower_supply_schematic.gif452019-09-26
34Timerstimers_tin_schematic.gif432022-08-22
35Timerstimers_crystal_schematic.gif412022-08-16
36Timerstimers_duoled-twice_schematic.gif412022-08-18
37DCF77 controller ATtiny45dcf77_controller_tn45_schematic.gif412020-06-27
38Timerstimers_duoled_schematic.gif402022-08-15
39Timerstimers_long-time_schematic.gif402022-08-22
40Sine generator with ATtiny24sinegenerator_tn24_schematic.gif372020-08-07
4113 Frequency/inductivity meter13_F-L-Meter_Scheme.gif362017-02-25
4214 Voltage/current/temperature meter14_U-I-Meter_Scheme.gif362017-02-25
43Hysteresis on AVR input pinshysteresis_tn24_schematic.gif352021-12-05
44Audio sensor tn45followme_tn45_scheme.gif342018-04-04
45DCF77 AM rectifier tn25dcf77_am_rect_tn25_scheme.gif342020-05-05
46Level meterLevelmeter_tn24_scheme_5V.gif332017-03-26
47Stepper motor controller ATtiny24stepper_tn24_schematic.gif332018-03-15
48DCF77 controller ATtiny25dcf77_controller_tn25_ctrl_schematic.gif332021-04-24
49Level meterLevelmeter_tn24_scheme_1V1.gif312017-03-26
50Magic circle tn2313Schematic.gif302017-08-12
51DCF77 sync receiver and clock m48dcf77_sync_m48_schematic.gif302021-04-24
52DCF77 signal analysis tn24dcfsigana_tn24_schematic5V.gif302019-03-12
53Sine generator with ATmega324sinegenerator_variable_m324pa_schematic.gif292020-07-31
54IR-controlled steppersir-steppermotor_schematic.gif292022-10-06
55Binary watch with m8Binary_watch_supply_schematic.gif292017-05-01
56Stopwatch m8stopwatch_m8_displayscheme.gif292018-07-29
57Multitimer tn24multitimer_scheme.gif292018-08-16
58DCF77-sync alarm clock with m16dcf77_m16_scheme.gif292018-06-07
59Spotlight with tn13spotlight_schematic.gif292018-10-20
60RGB Egg timer m8515eggtimer_rgb_m8515_scheme.gif292019-12-11
61RC filter for sine generatorsrc-filter-4051_rc2_schematic.gif272020-08-08
62IR Receiver tn13schematic.gif272011-01-22
63Binary watch with m8Binary_watch_schematic.gif272017-05-01
64Large watch with m48largewatch_m48_supplyschematic.gif272019-03-02
65IR-controlled steppersir-stepper_controller_schematic.gif262020-11-14
66Magic circle tn2313Power_supply_3V3_Schematic.gif262017-08-12
67Servomotor controller ATtiny24gate_tn24_schematic.gif262018-03-21
688-bit gamut tones with an xtal tn25xtal-tones_tn25_schematic.gif262023-01-06
69Spotlight with tn13spotlight_tn13_lin_schematic.gif252018-11-01
70Second, minute and hour pulses from a crystalsecond_xtal_cmosclock_schematic.gif252022-04-18
71Clock60+4 with ATmega48clock60-4_m48_lowcurr_small_schematic.gif252022-01-13
72Large watch with m48largewatch_m48_schematic.gif232019-03-05
73Clock60+4 with ATmega48clock60-4_m48_elevcurr_small_schematic.gif232022-01-13
74RGB BCD watch with m16rgb_bcdwatch_m16_controllerschematic.gif222019-03-05
75RGB BCD watch with m16rgb_bcdwatch_m16_powersupplyschematic.gif222019-03-05
76Double dice tn24dice2_tn24_schematic.gif212017-12-21
77RGB BCD watch with m16rgb_bcdwatch_m16_displayschematic.gif212019-03-05
78Another long time timer with tn25longtimer_tn25_schematic.gif212021-03-30
79Hardware of the tickerticker16-8_tn24-1_schematic.gif212022-03-05
80Hardware of the tickerticker16-8_m48_schematic.gif212022-03-05
81Hardware of the tickerticker16-8_m324_schematic.gif212022-03-05
82Power supply scanner RS232/LCDpowerscanner_m48_schematic.gif202022-08-10
83Error pagesuv_scheme_proc.gif202010-06-08
84DCF77 alarmclock with m324padcf77_alarmclock_m324pa_schematic.gif192020-07-14
85DCF77 signal analysis tn24dcfsigana_tn24_schematic3V3.gif192019-03-12
86Stopwatch tn24stopwatch_tn24_scheme.gif182018-08-07
87DCF77 LC-VCO oscillator tn25dcf77_lcosc_scheme.gif182020-05-17
88DCF77 crystal oscillator superhet IF=455kHzdcf77_xtaloscillator_schematic.gif182020-06-05
89An egg timer with an m8 and a speakereggtimer_m8_schematic.gif182021-07-23
90Hardware of the tickerticker16-8_tn24-2_schematic.gif182022-03-05
91Power supply scanner RS232/LCDpowerscanner_m324_schematic.gif182022-08-11
92Power supply scanner RS232/LCDpowerscanner_rc-filter3_schematic.gif182022-06-27
93Text ticker with m16ticker_m16_scheme.gif172017-08-01
94DCF77 crystal oscillator tn25dcf77_xtaloscillator_tn25_schematic.gif172020-05-23
95Power supply scanner RS232/LCDpowerscanner_serial_schematic.gif172022-07-04
96Power supply scanner RS232/LCDpowerscanner_rc-filter1_schematic.gif172022-06-27
97Dice with m16dice_m16_scheme.gif162017-02-02
98DCF77 LC-VCO oscillator tn25dcf77_lcosc_tn25_schematic.gif162020-05-17
99DCF77 Controller plus LCD and RS232 m324dcf77_opampreg_lcd_m324_schematic.gif162021-02-12
100DCF77 crystal oscillator tn25dcf77_oscillator_tn25_schematic.gif152020-05-23
101Egg-timer with 10 LEDs and melodieseggtimer_tn24_v2_schematic.gif152022-11-11
102Circular LED with 32 LEDs and m324pacircular-led_m324pa_schematic.gif142021-10-23
103Circular LED with 32 LEDs and m324pacircular-led_m324pa_powersupply-4led-schematic.gif142021-11-05
104Akkuloadswitch_schem.gif132007-08-26
105Versatile 16-stage xtal divider with tn25xtaldiv_tn25_mp_schematic.gif132022-12-17
10616-bit gamut tones with an xtal tn24xtal-tones_tn24_schematic.gif132023-01-14
107Circular LED with 32 LEDs and m324pacircular-led_m324pa_powersupply-200mA-schematic.gif132021-11-05
108Forw/Backw and Right/Left key matrixres-fb-rl_scheme.gif122020-11-09
109Power supply for the tickerticker16-8_powersupply_schematic.gif112022-03-05
110Booster for the tickerticker16-8_booster-powersupply_schematic.gif112022-03-14
111Booster for the tickerticker16-8_booster_schematic.gif102022-03-10
112DCF77 async receiver 7-seg for regulated OpAmp m324dcf77_async_m324_schematic.gif92021-02-01
113Versatile 16-stage xtal divider with tn25xtaldiv_tn25_middlepot_schematic.gif82022-12-17
114DCF77 async receiver LCD with m48dcf77_async_m48_schematic.gif82021-02-01
115Clock60+4 with ATmega48clock60-4_m48_lowcurr_schematic.gif52022-01-13
116Clock60+4 with ATmega48clock60-4_m48_elevcurr_schematic.gif52022-01-13


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